Fixes module decompression when CONFIG_SYSFS=n

The only fix trickled down for v5.17-rc cycle so far is
 the fix for module decompression when CONFIG_SYSFS=n. This
 was reported through 0-day.
 -----BEGIN PGP SIGNATURE-----
 
 iQJGBAABCgAwFiEENnNq2KuOejlQLZofziMdCjCSiKcFAmINZTUSHG1jZ3JvZkBr
 ZXJuZWwub3JnAAoJEM4jHQowkoinrUgP/Ai8ae+IHpscLbmBM/bdbqinKoOUo17M
 0nHTJIMnpf8J7B/MSx64VLBmfkCKEVdYfiQhkGcxAwmTcw7n+1+ekM5kTAhCRJfd
 Ej/4n0Q5cWl7SnCmhO94vBYFmDHn/NgoXhsAAFaZIRtCcyRWzXAb946lBgGUDOHl
 AtybuRIPJpU+6AeXeZyz9WCdYF2/uyz5HFs929SOE1iYazmpshei8bpOepVvH9LK
 Sa72/gVKC3CuVGx+6VwwvF+wL0dBvp8Gufg5/xh7xOhlls5N3AJUhJ7fkg7v1K9+
 gjeBhQrKzfbtd0MFsjnfNhN0zbQ/A+d3f2M6SNGcZK/xbDEnEypmcNyXiy0QKXjw
 QVSS5dXEI8bNoNPM2oqVmmCXliTqD3jY1mS7ynTwI7w0zUN8NL1y2tcF9xjBvk7O
 X7sirOUtiaEIfFkkt7BxHILEAVd/jqYg43g/cq0EMglxeRMJXJo04kY6EvzFSxCm
 bKUUV4d+wCq+JzQmPDIO01UcfKmlTC3a8bexusVz06MhDYW7KdVfNTDxu2/EQaNn
 gU3/v5SvmucV9Oo/norXbDf0jzDTSbmPc0yYbanXEV2CrHx0CEAAGMN5W+iNOWCz
 3YVMON3qu6nJcZuu7YemjKr8v8ZA5M37L9bUDlBZDCoEUqbaJV7wjRRjKqeL2d6F
 1gZ+hV6sqN+1
 =h/ue
 -----END PGP SIGNATURE-----

Merge tag 'modules-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux

Pull module fix from Luis Chamberlain:
 "Fixes module decompression when CONFIG_SYSFS=n

  The only fix trickled down for v5.17-rc cycle so far is the fix for
  module decompression when CONFIG_SYSFS=n. This was reported through
  0-day"

* tag 'modules-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux:
  module: fix building with sysfs disabled
This commit is contained in:
Linus Torvalds 2022-02-17 09:54:00 -08:00
commit edbd6c628e

View File

@ -250,6 +250,7 @@ void module_decompress_cleanup(struct load_info *info)
info->max_pages = info->used_pages = 0;
}
#ifdef CONFIG_SYSFS
static ssize_t compression_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
@ -269,3 +270,4 @@ static int __init module_decompress_sysfs_init(void)
return 0;
}
late_initcall(module_decompress_sysfs_init);
#endif